Killarney Climate and Average Weather
Climate of Killarney: average temperatures, rainfall and seasons month by month.
Climate in Killarney month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 46° | 36° | 5,8 in | ★★☆☆☆ |
| February | 50° | 42° | 5,7 in | ★★☆☆☆ |
| March | 53° | 41° | 4,5 in | ★★★☆☆ |
| April | 57° | 44° | 4,3 in | ★★★☆☆ |
| May | 62° | 48° | 3,1 in | ★★★★☆ |
| June | 64° | 52° | 3,9 in | ★★★★☆ |
| July | 68° | 55° | 3,1 in | ★★★★☆ |
| August | 66° | 55° | 3,4 in | ★★★★☆ |
| September | 63° | 51° | 5,4 in | ★★★☆☆ |
| October | 58° | 49° | 5,7 in | ★★★☆☆ |
| November | 53° | 44° | 6,3 in | ★★☆☆☆ |
| December | 50° | 42° | 6,3 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Killarney
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Killarney compares with nearby places
Annual averages, and the difference against Killarney.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Dingle | 33 mi | 52°F | about the same | 80 in |
| County Cork | 45 mi | 52°F | about the same | 53 in |
| Cork | 45 mi | 52°F | about the same | 53 in |
| County Limerick | 56 mi | 51°F | about the same | 57 in |
| Limerick | 56 mi | 51°F | about the same | 57 in |
Best time to visit Killarney
Go in May, June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Killarney
Today is slightly warmer than average for August. The forecast high of 69°F is 2.7°F above the 66°F typical for this month.
A 55% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 52°F.
What to pack, what to skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Killarney is a city in County Kerry. Killarney is known for Ring of Kerry and national park. It has a population of about 14.500.
Right now it is 52°F (11°C) in Killarney with clear. It feels like 51°F. Today runs from 52°F to 69°F. Chance of precipitation is 55%. Sightseeing conditions score 7.8/10 - good conditions.
The best time to visit Killarney is May, June, July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 68°F, while January is the coldest with lows near 36°F.
The closest major airport is Dublin Airport (DUB), about 165 mi away. Nearby highlights include Snowdonia National Park.
In plain terms. Today is slightly warmer than average for August. The forecast high of 69°F is 2.7°F above the 66°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Killarney today at 8.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Killarney
| Type | City |
|---|---|
| County | County Kerry |
| Country | Ireland |
| Continent | Europe |
| Coordinates | 52°3′35.6″N 9°30′15.8″W (52.0599, -9.5044) |
| Population | 14.500 |
| Known for | Ring of Kerry and national park |
| Local time | 7:38 AM (UTC+01:00) |
| Best months | May, June, July and August |
| Climate | Temperate |
Weather map for Killarney
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Killarney
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Killarney?
Killarney is a city in County Kerry. Its coordinates are 52.0599, -9.5044. It lies in Europe.
What is the weather like in Killarney right now?
It is currently 52°F (11°C) with clear. Humidity is 84% and wind is 2 mph.
When is the best time to visit Killarney?
May, June, July and August offer the most comfortable conditions in Killarney, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Killarney in?
Killarney observes Europe/Dublin (UTC+01:00). The local time is 7:38 AM.
How many people live in Killarney?
Killarney has a population of approximately 14.500.
What is the nearest airport to Killarney?
The closest airports are Dublin Airport (DUB), 165 mi away.
What are the top things to do in Killarney?
Popular options include Snowdonia National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 7:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
